Patents
Patents for H04L 1 - Arrangements for detecting or preventing errors in the information received (103,402)
06/2002
06/06/2002US20020069038 Apparatus and method for providing adaptive forward error correction utilizing the error vector magnitude metric
06/06/2002US20020068608 Method and apparatus for a software configurable wireless modem adaptable for multiple modes of operation
06/06/2002US20020068588 Wireless base station and packet transfer apparatus for dynamically controlling data transmission rate
06/06/2002US20020068560 Link adaptation method for use in a mobile radiocommunication system
06/06/2002US20020068534 Radio communication apparatus and transmission rate control method
06/06/2002US20020067915 MPEG data recorder
06/06/2002US20020067782 Method and apparatus for iterative parameter estimation
06/06/2002US20020067780 Scaling of demodulated data in an interleaver memory
06/06/2002US20020067779 Viterbi slicer for turbo codes
06/06/2002US20020067777 Method and apparatus for processing modulation symbols for soft input decoders
06/06/2002US20020067774 Estimation of traffic-to-pilot ratios
06/06/2002US20020067769 Moving-picture signal coding and/or decoding system resistant to transmission error
06/06/2002US20020067763 Method of and apparatus for data transmission computer product
06/06/2002US20020067759 Efficient implementation of space division/multiple access for a synchronous CDMA communication system
06/06/2002US20020067758 Data terminal and coding method for increased packet reliability in a frequency hopping system
06/06/2002US20020067701 Advanced access channel methods and systems
06/06/2002DE10059174A1 Line and subscriber connection device quantative analysis method for data transmission uses test code loaded in digital signal processor for generation of transmitted test signal
06/06/2002DE10057282A1 Verfahren zur codierten Modulation A method for coded modulation
06/06/2002CA2430560A1 Preamble generation for data packet transmission in a wireless communication system
06/06/2002CA2430487A1 Method and apparatus for transmitting data traffic on a wireless communication channel
06/05/2002EP1211858A2 Rate matching parameter calculation method, wireless communications base station apparatus, and wireless communications system
06/05/2002EP1211856A1 Data transmitter, data receiver, and data transmitting/receiving method
06/05/2002EP1211840A1 Hybrid ARQ with parallel packet transmission
06/05/2002EP1211839A2 Sub-packet adaptation in a wireless communication system
06/05/2002EP1211838A1 Rate adaptation in a wireless communication system
06/05/2002EP1211837A1 Unequal error protection in a packet transmission system
06/05/2002EP1211832A2 Method and device for generating test signals, network element of a SDH network and SDH network
06/05/2002EP1211813A2 Device and method for detecting errors in CRC code having reverse ordered parity bits
06/05/2002EP1211605A2 Method for receiving data
06/05/2002EP1210787A1 Method for estimating the bit error rate in a radio receiver and corresponding radio receiver
06/05/2002EP1210786A1 Signal switching
06/05/2002EP1040611B1 A forward error correction system for packet based real-time media
06/05/2002EP0815692B1 A two-way paging system and apparatus
06/05/2002EP0811277B1 Joint demodulation using spatial maximum likelihood
06/05/2002CN1352850A Apparatus and method for exchanging variable-length data according to radio link protocol in mobile communication system
06/05/2002CN1352848A Radio link protocol enhancement of dynamic capacity radio data channels
06/05/2002CN1352843A General label encapsution protocol
06/05/2002CN1352837A Apparatus and associated method by which to detect paging messages at a mobile station
06/05/2002CN1352824A Optimum turbo decoding architecture and method using a constant or quasi-constant signalt-to-noise ratio
06/05/2002CN1086085C 数字数据传输系统 Digital data transmission system
06/05/2002CN1086083C Method for realising unit changeover in a node forwarding packet data
06/05/2002CN1086082C Method for detecting defective speech frame and receiver for receiving speech signal
06/05/2002CN1086079C Multiple access coding using bent sequences for mobile radio communication
06/05/2002CN1086075C Multiple frequency communication device and its using method
06/04/2002US6401127 Adaptive timer for LLC type 2 reliable transport in a computer network
06/04/2002US6400929 Radio communication device and method of controlling transmission rate
06/04/2002US6400928 Method and system for blind detection of modulation
06/04/2002US6400827 Methods for hiding in-band digital data in images and video
06/04/2002US6400756 Phased array spread spectrum receiver
06/04/2002US6400755 Data transmission within a spread-spectrum communication system
06/04/2002US6400734 Method and architecture for TDMA receiver incorporating a unique word correlation control loop
06/04/2002US6400731 Variable rate communication system, and transmission device and reception device applied thereto
06/04/2002US6400728 Method and system for detecting user data types in digital communications channels and optimizing encoding-error correction in response thereto
06/04/2002US6400724 Method and apparatus for efficient data transmission in a voice-over-data communication system
06/04/2002US6400718 Cell switching device capable of effecting hit-less switching between an active system and a standby system
06/04/2002US6400702 Radio frequency local area network
06/04/2002US6400694 Duplex communication path switching system
06/04/2002US6400686 Method and apparatus for network flow control
06/04/2002US6400415 System and method for predistorting signals to be amplified
06/04/2002US6400281 Communications system and method for interconnected networks having a linear topology, especially railways
06/04/2002CA2270994C Method of operating the channel equalizer in a receiver for dtv signals subject to co-channel ntsc interference
06/04/2002CA2234314C Fault recovery system and transmission path autonomic switching system
05/2002
05/30/2002WO2002043403A2 Enhanced data link layer selective reject mechanism in noisy wireless environment
05/30/2002WO2002043341A2 Method of reconfiguration of radio parameters based on communication channel monitoring
05/30/2002WO2002043319A2 Communications architecture for storage-based devices
05/30/2002WO2002043315A2 Rate one coding and decoding methods and systems
05/30/2002WO2002043314A1 Methods and apparatus for turbo space-time trellis coding
05/30/2002WO2002043313A2 Space-time turbo trellis coding arrangement and method thereof
05/30/2002WO2002043312A2 A communication system having bad frame indicator means for resynchronization purposes
05/30/2002WO2002043293A1 Ofdm communication apparatus and ofdm communication method
05/30/2002WO2002043277A1 Method for transmitting information in a communication system, a communication system and a wireless communication device
05/30/2002WO2002043269A2 Method and apparatus for improving channel estimates using space-time coding
05/30/2002WO2002043251A1 Turbo coder with facilitated synchronisation
05/30/2002WO2002043051A1 Non-intrusive detection of defects in a packet-transmitted speech signal
05/30/2002WO2002027939A3 Method and apparatus for encoding of linear block codes
05/30/2002WO2002023787A3 Method and apparatus for soft information generation in joint demodulation of co-channel signals
05/30/2002WO2002023742A3 Apparatus for and method of adapting a radio receiver using control functions
05/30/2002WO2002019062A3 A method and system to implement policy-based network traffic management
05/30/2002WO2002013441A3 Frame control for efficient media access
05/30/2002WO2002003590A3 Receiver decoding algorithm to allow hitless n+1 redundancy in a switch
05/30/2002WO2001063789B1 Circuit arrangement for carrying out spatial diversity operations with a digital signal receiver
05/30/2002WO2000029860A3 Dynamic register with iddq testing capability
05/30/2002US20020066110 Method and apparatus for preventing re-ranging and re-registration of cable modems during protection switching between active and spare cable interface cards in a cable modem termination system
05/30/2002US20020066104 Digital broadcasting receiver
05/30/2002US20020066055 Apparatus and method for testing bit error rate of DSRC ITS system
05/30/2002US20020065073 Extended-cell communication network and transmission apparatus
05/30/2002US20020065072 Method and apparatus for resuming re-transmission after interruption
05/30/2002US20020064246 Spatial-temporal methods and systems for reception of non-line-of-sight communication signals
05/30/2002US20020064242 Partial response demodulating method and apparatus using the same
05/30/2002US20020064233 Method and apparatus for detecting and quantifying impairments in QAM signals
05/30/2002US20020064182 Reverse link pilot integrated with block codes
05/30/2002US20020064173 Broadcasting apparatus using OFDM modulation method
05/30/2002US20020064167 Hybrid ARQ with parallel packet transmission
05/30/2002US20020064137 Synchronization of V42bis de/compression for V34/V42 modem relay method and apparatus
05/30/2002US20020064131 Method for operating a data network
05/30/2002US20020064126 Recovery following process or system failure
05/30/2002US20020063553 Method and apparatus for displaying triggered waveform on an error performance analyzer
05/30/2002EP1145024A3 Dynamic register with iddq testing capability
05/30/2002CA2429658A1 Space-time turbo trellis coding arrangement and method thereof
05/29/2002EP1209940A1 Method and system for UMTS packet transmission scheduling on uplink channels